(NEXSTAR) — On Friday night, the most significant G5 geomagnetic ... strength of solar storms on a G scale — from G1 to G5. The current storm was initially rated as G4 severity, though it ...

A severe geomagnetic storm that hit ... issued Thursday its first watch for a G4 storm — the second-strongest rating on a scale from G1 to G5 — in nearly 20 years. It then upgraded it to ...

A "severe" G4-scale geomagnetic storm hit ... NASA says NOAA's Space Weather Prediction Center measures geomagnetic storms on a scale from G1 (minor) to G5 (extreme). In May, an extreme G5-scale ...

Aurorae dance over Ashokan Reservoir in upstate New York during the May 10/11, 2024, geomagnetic storm — the last ... In May, a G4 watch turned into a G5 event, as aurorae lit the skies ...

In the same way that meteorologists rank hurricanes and tornadoes, forecasters at NOAA's Space Weather Prediction Center rank geomagnetic storms on a scale of 1 through 5. A G1 (minor) geomagnetic ...

The Space Weather Prediction Center has issued a severe geomagnetic storm alert for Thursday night, noting the potential for the aurora borealis, commonly known as the northern lights, to be ...

A severe geomagnetic storm ... side of local midnight. The G4 designation for the storm is the second-highest on the SWPC scale, which ranges from G1 (minor) to G5 (extreme).

Space scientists call this phenomenon a geomagnetic storm. Overnight on May 9-10, NOAA’s Space Weather Prediction Center forecasted a severe to extreme, between G4-G5, geomagnetic storm.

The G4 geomagnetic storm is the second-strongest level and could be similar to the storm that brought the Northern Lights to much of the United States back in May. That storm was a G5. According ...